Night Nav 2000 from Night Vision Technologies is an integrated marine-navigation system that incorporates night-vision capabilities. The night-vision images that appear on the Night Nav's 10.4" screen are produced with a light-intensification or infrared system, or both, depending on the optional cameras selected. In addition to four-camera input capability, the Night Nav 2000 functions as either a DGPS- or WAAS-enabled chart plotter, displaying C-MAPNT cartography available from its dual C-Card slots. The unit can also display input from a radar, a dual-frequency fishfinder, a compass, a televsion receiver and more. Night Nav systems are wireless, remote-controlled and can display all functions on one screen. The Night Nav 2000 starts at around $20,000, while the entry-level Night Nav 500 starts at around $12,000. Night Vision Technologies, Irving, TX; (866) 444-8628; www.nightnav.com.